To determine if 2451 is a prime number or a composite number, we simply look at the factors for 2451.
If the factors of 2451 are only 2451 and 1, then we know that 2451 is a prime number. Otherwise, 2451 is a composite number.
To explain better, if 2451 is only divisible by 1 and 2451, then it is a prime number, and if 2451 is divisible by more than 2451 and 1, then it is a composite number.
The factors of 2451 are as follows:
1, 3, 19, 43, 57, 129, 817, 2451
Therefore, since 2451 is divisible by more than one and itself, the answer to the
question "Is 2451 prime or composite?" is highlighted in blue below.
composite
Is 2452 prime or composite?
OK. Now you know that 2451 is a composite number. Use our logic above and see if
you can figure out if the next number on our list is prime or composite before you check your answer.
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